Ricoh D124-17 Service Manual page 277

Scanner
4. At the right hinge of the scanner unit, disconnect the ground wire and free the shielded harness (
x1, x1)
5. At the back of the machine on the left side, use the tip of a small screwdriver to free the latch.
6. At the back of the machine on the right side, use the tip of a small screwdriver to free the latch.
7. While holding both of these latches up, lift and remove the top of the scanner unit.
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